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<html>
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>navigation-3d</title>
    <link rel="stylesheet" href="./index.css">
</head>
<body>
    <ul>
        <li>
            <div>小米</div>
            <div>小米</div>
        </li>
        <li>
            <div>华为</div>
            <div>华为</div>
        </li>
        <li>
            <div>OPPO</div>
            <div>OPPO</div>
        </li>
        <li>
            <div>苹果</div>
            <div>苹果</div>
        </li>
    </ul>
</body>
</html>